No U Turn Sign MUTCD R4-7 They do if you post

They do if you post our speed limit 5 mph signs

Other speed limit choices: 05  10  15  20  25  30  35  40  45  50  55  60  70  75

That's because our speed limit signs are made with 3M reflective sheeting and 3M UV resistant inks

And so do our Speed Limit 25 signs

3M offers the following on their sheeting:

No U Turn Sign MUTCD R4-7 They do if you postSize: 24x18 We make all our signs from . 080 thick aluminum. Other companies use steel which rusts, plastic which cracks or warps, or a thinner gauge aluminum (. 060 or . 040) which bends or buckles. Material Details We use 3M reflective sheeting and 3M UV resistant inks. 3M offers the following on their sheeting: 3M 3400 Series Engineer Grade Prismatic (EGP): Rated for 5 7 year outdoor lifespan 3M 3930 Series High Intensity Prismatic (HIP):